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WO/2011/160793A2 |
The invention relates to a rotor blade (10) of a wind power plant, having a first and a second duct (16, 17) running inside the rotor blade (10) for conducting an air flow (21, 22). The invention also relates to a method for de-icing a r...
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WO/2011/162498A2 |
The present invention relates to a wind-powered electricity generating device for turbulent airflow wherein, in order to produce electrical energy from wind in a turbulent airflow area or wind blowing in from a fixed direction, two colum...
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WO/2011/160634A1 |
A wind park comprises a plurality of wind turbines with a least one wind turbine downstream of at least one upstream turbine (20). The downstream turbine (24) includes a Lidar (26) or other device for sensing characteristics of the wake ...
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WO/2011/161740A1 |
Provided is a maintenance method wherein an operation process which has conventionally required four rack rails, four maintenance elevators, and four operators, can be performed by one rack rail, one elevator installed on the rack rail, ...
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WO/2011/159867A1 |
A bearing seal assembly (110, 112, 114) seals a sealing gap (26) defined by a first race (10) and a second race (12) of a bearing (100). The bearing seal assembly includes a resilient seal (24) having a cross-sectional profile (58) that ...
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WO/2011/158350A1 |
A variable pitch device enables the pitch angle of blades to be automatically changed using a simple configuration. A variable pitch device (1) for a propeller type wind power generator comprises: a hub (3) to which blades (2) are attach...
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WO/2011/160061A2 |
The invention discloses at least one blade extending away from a beginning point and longitudinally along a central axis and approximating the shape of a spiral about said central axis. The blade comprises a beginning point disposed a fi...
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WO/2011/156947A1 |
A method for manufacturing a blade root of a megawatt level wind generator includes the following steps of manufacturing a separate insert female die (100) and laying a locating ring (200) in the insert female die, laying a glass fiber c...
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WO/2011/157659A1 |
The invention relates to a method for the production of a tower (1) of a wind power plant, wherein at least one tubular tower section (2) is produced from annular precast concrete parts (5) having two horizontal contact surfaces (21), wh...
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WO/2011/159091A2 |
The present invention pertains to a blade for a wind power generating system and a wind power generating system using the same. A blade for a wind power generating system according to an embodiment of the present invention includes: a bl...
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WO/2011/153675A1 |
A multifunctional platform of a wind power generating unit and a blade disassembling method are disclosed. The multifunctional platform comprises: a platform frame (1) which includes a base (11) having an annular center hole (10) and two...
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WO/2011/155416A1 |
A rotation structure (10) is provided with an annular raceway body (11) which is provided to one structure and also with sliders (12) which are provided to the other structure, and the rotation structure (10) is configured so that said s...
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WO/2011/150927A1 |
A wind turbine optical wind sensor apparatus (10) comprises: a broadband optical light source (12) arranged to emit a broadband sensor beam (14) for illuminating particles carried in the wind passing through the sensor beam; an arrangeme...
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WO/2011/151876A1 |
Provided are: a rolling bearing for a wind power generator, configured so that, even if a high load is applied to the bearing with the inner ring and outer ring of the bearing at a standstill relative to each other, lubrication condition...
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WO/2011/151466A2 |
The invention relates to a tower for a wind turbine and to a cable guide for a tower of a wind turbine, wherein a machine housing for the wind turbine is arranged on the tower such that it can rotate by means of the azimuth bearing about...
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WO/2011/151943A1 |
A wind-driven electricity generation device (1) is provided with a wind wheel (3) which is subjected to wind power and rotates in a specific rotational direction about a predetermined rotating shaft (2). The wind-driven electricity gener...
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WO/2011/151877A1 |
Provided is a blade tip protection bag which is, when, during the installation of a wind wheel, the blades of the wind wheel are lifted together with a rotor head to a high position where a nacelle is located, attached to the tip of each...
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WO/2011/153202A2 |
A fluid turbine, comprising an inner shaft comprising a first number of concave vanes coupled thereto, the first number of concave vanes forming a number of rows of vanes, and an outer shaft, coaxial to the inner shaft, comprising a seco...
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WO/2011/150942A1 |
The invention relates to a wind turbine doppler anemometer, and in particular a LIDAR apparatus 10 for Feed Forward Control of a wind turbine. The apparatus 10 is mounted on a wind turbine nacelle 3 by a rotatable mount or bearing 12, su...
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WO/2011/147473A1 |
Jacket structure (1) for offshore constructions, particularly jacket structure (1) for offshore wind turbines, comprising a number of first and second profiles (2, 3), whereby the first profiles (2) comprise rods in axial alignment and t...
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WO/2011/147478A1 |
A corner connection (4, 16), in particular for a wind turbine tower (1), connecting four adjacent tower segments (5, 6, 7, 8) by portions (9, 10, 11, 12) inwardly bent along a horizontal or vertical direction, whereby the lengths of the ...
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WO/2011/149167A1 |
The present invention relates to a 3D active intelligent type, high-performance wind turbine generator that can be driven in horizontal/vertical axis directions. This novel wind turbine generator comprises: blades for driving a generator...
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WO/2011/150096A2 |
A wind power system including a wind turbine affixed to a support tower, and a wind deflector deployable relative to a direction of air flow and configured to control the movement of at least a portion of air flow passing through rotor b...
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WO/2011/144265A1 |
The invention relates to a wind turbine tower structure (1) for connecting a yaw ring to a wind turbine tower. The structure comprises a substantially circular yaw ring (2), and a steel support structure (8) connected to the yaw ring by ...
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WO/2011/144367A1 |
The invention relates to a wind turbine tower. The tower contains a door opening, which is prepared to allow passage into the tower. The door opening is reinforced by a strip, which is attached to the circumference of the door opening by...
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WO/2011/140611A1 |
A turbine blade assembly that is able to be driven by the wind, the turbine blade assembly comprising a hub, a multiplicity of hub blades attached to and extending outwardly from the hub, a first cowl attached to an end of the hub blades...
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WO/2011/143531A2 |
Methods and systems for predicting an end of life of a wind turbine component including receiving environmental conditions indicative of natural surroundings of wind turbines within a wind turbine farm, receiving component performance me...
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WO/2011/141270A2 |
The invention relates to a wind power plant tower consisting of a multiplicity of tower segments (10, 11, 12, 13, 14), which are arranged one on top of the other and enclose an interior tower space, and at least two system components arr...
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WO/2011/141777A1 |
An embodiment of Vertical Axis Wind Turbine (VAWT) concept with vanes coupled to central shaft thorough supports that are connected in such a way that vanes can be moved closer or further away from the central shaft of the wind turbine. ...
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WO/2011/142919A1 |
Wind turbine direct drive alternator system includes a supporting structure, at least two turbines mounted on the supporting structure to rotate in opposite directions when exposed to the same wind, a respective number of alternator roto...
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WO/2011/137909A1 |
A method for producing a wind turbine component having one or more wireless devices (30) embedded therein, the method comprising the steps of: providing fibrous reinforcement material (10) in a mould (12); adding the one or more wireless...
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WO/2011/138094A1 |
A method for regulating pressure in a plain bearing (12) of a wind power generator (1) is described, having the following features: model-based reconstruction of the wind power at at least one rotor blade (2) of a wind power generator (1...
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WO/2011/137903A2 |
The invention relates to a semi-submerged multiple wind-turbine system for use in offshore wind power production implying that it is a floating system with means to maintain a permanent position at sea. The invention increases the techni...
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WO/2011/138824A1 |
Provided is a sea-borne wind power generation apparatus which is compatible with an eccentrically-located stress, using a simple and economical structure, and can maintain the reliability of the strength. A sea-borne wind power generatio...
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WO/2011/139015A1 |
According to a preferred embodiment of the present invention, a high-capacity wind power generator includes: an outer rotor including a lateral blocking plate on a side surface thereof, and having an open lower surface and another open s...
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WO/2011/138597A2 |
A wind turbine having a tower and at least one radar-absorbing panel attached to an outer surface of the tower is described. The panels are attached by mounts that do not penetrate the outer surface of the tower. In preferred embodiments...
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WO/2011/136353A1 |
The special shape and arrangement of windmill blades make it possible to provide a vertical axis windmill having lightweight and rigid blades, ensuring safety by preventing the rotation radius of the windmill from increasing, having good...
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WO/2011/135703A1 |
A direct drive wind turbine is provided with: a main shaft having one end connected to the rotor head of the wind wheel rotor; a generator provided with a stator, a stator casing which supports the stator, and a rotor which is connected ...
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WO/2011/131923A1 |
A system and method for a vertical axis wind turbine (VAWT) is described which can provide the basis for a new and improved wind turbine design suitable for a range of different power classes such as from 4 kilowatts to 10 megawatts. A v...
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WO/2011/133340A2 |
A vertical axis wind turbine includes an upstanding support structure, a plurality of generators disposed on the support structure, a central shaft in rotatable communication with the generators and positioned along a central axis of the...
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WO/2011/131673A1 |
A closure for closing off a circular end opening of a tower section of a windmill tower or a similar tower. The tower section comprises a cylindrical or frusto-conical wall and an annular flange positioned at the circular end opening. Th...
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WO/2011/131205A1 |
A lightning connection means for a wind turbine is disclosed, said wind turbine comprising stationary and rotating lightning protection means having contact surfaces connected by said lightning connection means. For a given wind turbine ...
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WO/2011/127995A1 |
The present invention describes a blade (100) for a wind turbine. The blade (100) comprises at least one heating mat (101) for generating heat, wherein the heating mat (101) is mounted at an outer surface (104) of the blade (100). The bl...
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WO/2011/129292A1 |
Provided is a drive unit for a windmill, wherein, if a plurality of drive units are used, even when an excessive external force is applied to one drive unit, the drive unit can be prevented from being destroyed; and if a recessed portion...
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WO/2011/127996A1 |
The present invention describes a blade (100) for a wind turbine. The blade (100) comprises a heating mat (101) for generating heat by resistive heating, wherein the heating mat (101) is mounted to the blade (100). The heating mat (101) ...
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WO/2011/129629A2 |
A vibration isolator of a wind turbine system installed between a wind tower and a concrete foundation includes a plurality of bearing units arranged along the periphery of a flange of the wind tower, each bearing unit having elastic mat...
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WO/2011/127997A1 |
The present invention relates to a blade (100) for a wind turbine. The blade (100) comprises a heating mat (101) for generating heat, wherein the heating mat (101) is mounted at an outer surface of the blade (100). The heating mat (101) ...
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WO/2011/127509A1 |
The invention relates to a gear train (1), in particular a planetary gear train, for a wind turbine, comprising a plurality of gears, in particular planet gears (4), which are each supported on a shaft (8) by means of a bearing element, ...
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WO/2011/127510A1 |
The invention relates to a bearing element (7) for supporting the rotor hub (4) of a wind turbine (1), comprising at least one inner ring element (10, 40) and at least one outer ring element (11, 41), wherein a plain bearing support is d...
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WO/2011/129859A2 |
Various embodiments of a wind turbine are disclosed having a plurality of pivotable slats disposed about a rotor coupled to one or more blades. Each of the plurality of slats can be pivoted such that the open slats on a windward side red...
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